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Commit a31d0928 authored by Denis CIOCCA's avatar Denis CIOCCA Committed by Jonathan Cameron
Browse files

iio:magnetometer: bugfix magnetometers gain values 



This patch fix gains values. The first driver was designed using
engineering samples, in mass production the values are changed.

Signed-off-by: default avatarDenis Ciocca <denis.ciocca@st.com>
Cc: Stable@vger.kernel.org
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent d4f51956

drivers/iio/magnetometer/st_magn_core.c

+30 −22
Original line number Diff line number Diff line
@@ -42,7 +42,8 @@ 
#define ST_MAGN_FS_AVL_5600MG			5600

#define ST_MAGN_FS_AVL_8000MG			8000

#define ST_MAGN_FS_AVL_8100MG			8100

#define ST_MAGN_FS_AVL_10000MG			10000

#define ST_MAGN_FS_AVL_12000MG			12000

#define ST_MAGN_FS_AVL_16000MG			16000



/* CUSTOM VALUES FOR SENSOR 1 */

#define ST_MAGN_1_WAI_EXP			0x3c
@@ -69,20 +70,20 @@ 
#define ST_MAGN_1_FS_AVL_4700_VAL		0x05

#define ST_MAGN_1_FS_AVL_5600_VAL		0x06

#define ST_MAGN_1_FS_AVL_8100_VAL		0x07

#define ST_MAGN_1_FS_AVL_1300_GAIN_XY		1100

#define ST_MAGN_1_FS_AVL_1900_GAIN_XY		855

#define ST_MAGN_1_FS_AVL_2500_GAIN_XY		670

#define ST_MAGN_1_FS_AVL_4000_GAIN_XY		450

#define ST_MAGN_1_FS_AVL_4700_GAIN_XY		400

#define ST_MAGN_1_FS_AVL_5600_GAIN_XY		330

#define ST_MAGN_1_FS_AVL_8100_GAIN_XY		230

#define ST_MAGN_1_FS_AVL_1300_GAIN_Z		980

#define ST_MAGN_1_FS_AVL_1900_GAIN_Z		760

#define ST_MAGN_1_FS_AVL_2500_GAIN_Z		600

#define ST_MAGN_1_FS_AVL_4000_GAIN_Z		400

#define ST_MAGN_1_FS_AVL_4700_GAIN_Z		355

#define ST_MAGN_1_FS_AVL_5600_GAIN_Z		295

#define ST_MAGN_1_FS_AVL_8100_GAIN_Z		205

#define ST_MAGN_1_FS_AVL_1300_GAIN_XY		909

#define ST_MAGN_1_FS_AVL_1900_GAIN_XY		1169

#define ST_MAGN_1_FS_AVL_2500_GAIN_XY		1492

#define ST_MAGN_1_FS_AVL_4000_GAIN_XY		2222

#define ST_MAGN_1_FS_AVL_4700_GAIN_XY		2500

#define ST_MAGN_1_FS_AVL_5600_GAIN_XY		3030

#define ST_MAGN_1_FS_AVL_8100_GAIN_XY		4347

#define ST_MAGN_1_FS_AVL_1300_GAIN_Z		1020

#define ST_MAGN_1_FS_AVL_1900_GAIN_Z		1315

#define ST_MAGN_1_FS_AVL_2500_GAIN_Z		1666

#define ST_MAGN_1_FS_AVL_4000_GAIN_Z		2500

#define ST_MAGN_1_FS_AVL_4700_GAIN_Z		2816

#define ST_MAGN_1_FS_AVL_5600_GAIN_Z		3389

#define ST_MAGN_1_FS_AVL_8100_GAIN_Z		4878

#define ST_MAGN_1_MULTIREAD_BIT			false



/* CUSTOM VALUES FOR SENSOR 2 */
@@ -105,10 +106,12 @@ 
#define ST_MAGN_2_FS_MASK			0x60

#define ST_MAGN_2_FS_AVL_4000_VAL		0x00

#define ST_MAGN_2_FS_AVL_8000_VAL		0x01

#define ST_MAGN_2_FS_AVL_10000_VAL		0x02

#define ST_MAGN_2_FS_AVL_4000_GAIN		430

#define ST_MAGN_2_FS_AVL_8000_GAIN		230

#define ST_MAGN_2_FS_AVL_10000_GAIN		230

#define ST_MAGN_2_FS_AVL_12000_VAL		0x02

#define ST_MAGN_2_FS_AVL_16000_VAL		0x03

#define ST_MAGN_2_FS_AVL_4000_GAIN		146

#define ST_MAGN_2_FS_AVL_8000_GAIN		292

#define ST_MAGN_2_FS_AVL_12000_GAIN		438

#define ST_MAGN_2_FS_AVL_16000_GAIN		584

#define ST_MAGN_2_MULTIREAD_BIT			false

#define ST_MAGN_2_OUT_X_L_ADDR			0x28

#define ST_MAGN_2_OUT_Y_L_ADDR			0x2a
@@ -266,9 +269,14 @@ static const struct st_sensors st_magn_sensors[] = { 
					.gain = ST_MAGN_2_FS_AVL_8000_GAIN,

				},

				[2] = {

					.num = ST_MAGN_FS_AVL_10000MG,

					.value = ST_MAGN_2_FS_AVL_10000_VAL,

					.gain = ST_MAGN_2_FS_AVL_10000_GAIN,

					.num = ST_MAGN_FS_AVL_12000MG,

					.value = ST_MAGN_2_FS_AVL_12000_VAL,

					.gain = ST_MAGN_2_FS_AVL_12000_GAIN,

				},

				[3] = {

					.num = ST_MAGN_FS_AVL_16000MG,

					.value = ST_MAGN_2_FS_AVL_16000_VAL,

					.gain = ST_MAGN_2_FS_AVL_16000_GAIN,

				},

			},

		},